FOV (Field of View): 180 Deg with 1/2'' Image Sensor (If it is with 1/3''CCD sensor,the field of view is about 165 degree)

Aperture (F): 2.0

Mount: 12*0.5

M.O.D (m): 0.1

Note: This ultra wide view lens will cause the image distortion and dark area at the image square corner, this is the wide view lens feature, please note this. If the corner area distortion problem will trouble you, please don't consider buying this lens.